MPV Perfect EQ Script

eq-switcher.lua

local mp = require 'mp'

-- Track which EQ preset is active
local active_preset = nil

-- Helper function to apply an EQ preset
local function apply_eq(name, filters)
    if active_preset == name then
        mp.commandv("af", "clr")
        mp.osd_message("🔄 EQ Reset (Flat)", 3)
        active_preset = nil
        return
    end

    mp.commandv("af", "clr")
    for _, filter in ipairs(filters) do
        mp.commandv("af", "add", filter)
    end
    mp.osd_message("🎶 " .. name .. " EQ Activated", 3)
    active_preset = name
end

-- 🎶 Perfect EQ (Ctrl+1)
mp.add_key_binding("ctrl+1", "perfect_eq", function()
    apply_eq("Perfect", {
        "equalizer=f=32:width_type=q:w=1.50:g=4.0",
        "equalizer=f=64:width_type=q:w=1.50:g=2.0",
        "equalizer=f=125:width_type=q:w=1.50:g=1.0",
        "equalizer=f=250:width_type=q:w=1.50:g=0.0",
        "equalizer=f=500:width_type=q:w=1.50:g=-1.0",
        "equalizer=f=1000:width_type=q:w=1.50:g=-2.0",
        "equalizer=f=2000:width_type=q:w=1.50:g=0.0",
        "equalizer=f=4000:width_type=q:w=1.50:g=2.0",
        "equalizer=f=8000:width_type=q:w=1.50:g=3.0",
        "equalizer=f=16000:width_type=q:w=1.50:g=3.0"
    })
end)

-- 🎶 Bollywood 80s–90s EQ (Ctrl+2)
mp.add_key_binding("ctrl+2", "bollywood_eq", function()
    apply_eq("Bollywood 80s–90s", {
        "equalizer=f=32:width_type=q:w=1.50:g=2.0",
        "equalizer=f=64:width_type=q:w=1.50:g=2.0",
        "equalizer=f=125:width_type=q:w=1.50:g=1.0",
        "equalizer=f=250:width_type=q:w=1.50:g=0.0",
        "equalizer=f=500:width_type=q:w=1.50:g=-1.0",
        "equalizer=f=1000:width_type=q:w=1.50:g=-1.0",
        "equalizer=f=2000:width_type=q:w=1.50:g=0.0",
        "equalizer=f=4000:width_type=q:w=1.50:g=2.0",
        "equalizer=f=8000:width_type=q:w=1.50:g=2.0",
        "equalizer=f=16000:width_type=q:w=1.50:g=2.0"
    })
end)

-- 🎶 Bass Enhancing + Perfect (Ctrl+3)
mp.add_key_binding("ctrl+3", "bass_eq", function()
    apply_eq("Bass Enhancing + Perfect", {
        "equalizer=f=32:t=bell:w=1.0:g=4",
        "equalizer=f=64:t=bell:w=1.0:g=2",
        "equalizer=f=125:t=bell:w=1.0:g=1",
        "equalizer=f=250:t=bell:w=1.0:g=0",
        "equalizer=f=500:t=bell:w=1.0:g=-1",
        "equalizer=f=1000:t=bell:w=1.0:g=-2",
        "equalizer=f=2000:t=bell:w=1.0:g=0",
        "equalizer=f=4000:t=bell:w=1.0:g=2",
        "equalizer=f=8000:t=bell:w=1.0:g=3",
        "equalizer=f=16000:t=bell:w=1.0:g=3"
    })
end)

-- 🔄 Reset EQ (Ctrl+0)
mp.add_key_binding("ctrl+0", "reset_eq", function()
    mp.commandv("af", "clr")
    active_preset = nil
    mp.osd_message("🔄 EQ Reset (Flat)", 3)
end)